The Practice of Statistics

Suppose we were to use the pooled t-test. The t statistic for comparing the mean prices is 2.1. What can we say about the value of the P-value? A) P-value < 0.01 B) 0.01 < P-value < 0.05. C) 0.05 < P-value < 0.10 D) P-value > 0.10. 10. The primary difference between the times when a Z-test is appropriate and when a t-test is appropriate in ... ................
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